001    /**
002     * Copyright (c) 2000-2012 Liferay, Inc. All rights reserved.
003     *
004     * This library is free software; you can redistribute it and/or modify it under
005     * the terms of the GNU Lesser General Public License as published by the Free
006     * Software Foundation; either version 2.1 of the License, or (at your option)
007     * any later version.
008     *
009     * This library is distributed in the hope that it will be useful, but WITHOUT
010     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
011     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
012     * details.
013     */
014    
015    package com.liferay.portlet.wiki.social;
016    
017    import com.liferay.portal.kernel.util.HtmlUtil;
018    import com.liferay.portal.kernel.util.StringPool;
019    import com.liferay.portal.kernel.util.Validator;
020    import com.liferay.portal.security.permission.ActionKeys;
021    import com.liferay.portal.security.permission.PermissionChecker;
022    import com.liferay.portal.theme.ThemeDisplay;
023    import com.liferay.portlet.social.model.BaseSocialActivityInterpreter;
024    import com.liferay.portlet.social.model.SocialActivity;
025    import com.liferay.portlet.social.model.SocialActivityConstants;
026    import com.liferay.portlet.social.model.SocialActivityFeedEntry;
027    import com.liferay.portlet.wiki.model.WikiPage;
028    import com.liferay.portlet.wiki.model.WikiPageResource;
029    import com.liferay.portlet.wiki.service.WikiPageResourceLocalServiceUtil;
030    import com.liferay.portlet.wiki.service.permission.WikiPagePermission;
031    
032    /**
033     * @author Samuel Kong
034     * @author Ryan Park
035     */
036    public class WikiActivityInterpreter extends BaseSocialActivityInterpreter {
037    
038            public String[] getClassNames() {
039                    return _CLASS_NAMES;
040            }
041    
042            @Override
043            protected SocialActivityFeedEntry doInterpret(
044                            SocialActivity activity, ThemeDisplay themeDisplay)
045                    throws Exception {
046    
047                    PermissionChecker permissionChecker =
048                            themeDisplay.getPermissionChecker();
049    
050                    if (!WikiPagePermission.contains(
051                                    permissionChecker, activity.getClassPK(), ActionKeys.VIEW)) {
052    
053                            return null;
054                    }
055    
056                    String groupName = StringPool.BLANK;
057    
058                    if (activity.getGroupId() != themeDisplay.getScopeGroupId()) {
059                            groupName = getGroupName(activity.getGroupId(), themeDisplay);
060                    }
061    
062                    String creatorUserName = getUserName(
063                            activity.getUserId(), themeDisplay);
064    
065                    int activityType = activity.getType();
066    
067                    // Link
068    
069                    WikiPageResource pageResource =
070                            WikiPageResourceLocalServiceUtil.getPageResource(
071                                    activity.getClassPK());
072    
073                    String link =
074                            themeDisplay.getPortalURL() + themeDisplay.getPathMain() +
075                                    "/wiki/find_page?pageResourcePrimKey=" + activity.getClassPK();
076    
077                    // Title
078    
079                    String titlePattern = null;
080    
081                    if ((activityType == WikiActivityKeys.ADD_COMMENT) ||
082                            (activityType == SocialActivityConstants.TYPE_ADD_COMMENT)) {
083    
084                            if (Validator.isNull(groupName)) {
085                                    titlePattern = "activity-wiki-add-comment";
086                            }
087                            else {
088                                    titlePattern = "activity-wiki-add-comment-in";
089                            }
090                    }
091                    else if (activityType == WikiActivityKeys.ADD_PAGE) {
092                            if (Validator.isNull(groupName)) {
093                                    titlePattern = "activity-wiki-add-page";
094                            }
095                            else {
096                                    titlePattern = "activity-wiki-add-page-in";
097                            }
098                    }
099                    else if (activityType == WikiActivityKeys.UPDATE_PAGE) {
100                            if (Validator.isNull(groupName)) {
101                                    titlePattern = "activity-wiki-update-page";
102                            }
103                            else {
104                                    titlePattern = "activity-wiki-update-page-in";
105                            }
106                    }
107    
108                    String pageTitle = wrapLink(
109                            link, HtmlUtil.escape(pageResource.getTitle()));
110    
111                    Object[] titleArguments = new Object[] {
112                            groupName, creatorUserName, pageTitle
113                    };
114    
115                    String title = themeDisplay.translate(titlePattern, titleArguments);
116    
117                    // Body
118    
119                    String body = StringPool.BLANK;
120    
121                    return new SocialActivityFeedEntry(link, title, body);
122            }
123    
124            private static final String[] _CLASS_NAMES = new String[] {
125                    WikiPage.class.getName()
126            };
127    
128    }